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    Puffball fungus spores — Stock Photo
    Puffball fungus spores
    Human sperm cell, coloured scanning electron micrograph (SEM). — Stock Photo
    Human sperm cell, coloured scanning electron micrograph (SEM).
    Illustration of yellow human egg cell on blue background. — Stock Photo
    Illustration of yellow human egg cell on blue background.
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa. — Stock Photo
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa.
    3d illustration of in vitro fertilization of egg cell. — Stock Photo
    3d illustration of in vitro fertilization of egg cell.
    3d illustration of sperm cells approaching egg cell on colorful blue background. — Stock Photo
    3d illustration of sperm cells approaching egg cell on colorful blue background.
    Healthy human sperm cells — Stock Photo
    Healthy human sperm cells
    Digital 3d colored illustration of cancer cell in process of mitosis. — Stock Photo
    Digital 3d colored illustration of cancer cell in process of mitosis.
    Broom pollen grain — Stock Photo
    Broom pollen grain
    Climbing lily pollen — Stock Photo
    Climbing lily pollen
    Prostate tissue showing Iadenocarcinoma — Stock Photo
    Prostate tissue showing Iadenocarcinoma
    Passion flower pollen — Stock Photo
    Passion flower pollen
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa. — Stock Photo
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa.
    Human embryo cell, digital illustration. — Stock Photo
    Human embryo cell, digital illustration.
    Sperm spermatozoa swimming towards egg cell, colored digital illustration. — Stock Photo
    Sperm spermatozoa swimming towards egg cell, colored digital illustration.
    Conceptual 3d illustration of artificial insemination, in vitro fertilization of human egg cell. — Stock Photo
    Conceptual 3d illustration of artificial insemination, in vitro fertilization of human egg cell.
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Human four-cell embryo, digital illustration. — Stock Photo
    Human four-cell embryo, digital illustration.
    Abutilon sp. pollen grain — Stock Photo
    Abutilon sp. pollen grain
    Human sperm approaching egg cell — Stock Photo
    Human sperm approaching egg cell
    Colored scanning electron micrograph of pollen grains from convolvulus flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from convolvulus flower.
    Coloured scanning electron micrograph (SEM) of immature dog sperm. — Stock Photo
    Coloured scanning electron micrograph (SEM) of immature dog sperm.
    Alstroemeria anther and pollen — Stock Photo
    Alstroemeria anther and pollen
    Dividing bacteria on tissue surface — Stock Photo
    Dividing bacteria on tissue surface
    Illustration of silhouette of pregnant woman with visible uterus and 8 cell stage embryo. — Stock Photo
    Illustration of silhouette of pregnant woman with visible uterus and 8 cell stage embryo.
    Broadbean pollen grain — Stock Photo
    Broadbean pollen grain
    Fertilisation of egg cell with spermatozoa, digital illustration. — Stock Photo
    Fertilisation of egg cell with spermatozoa, digital illustration.
    Digital 3d colored illustration of cancer cell in process of mitosis. — Stock Photo
    Digital 3d colored illustration of cancer cell in process of mitosis.
    Illustration of silhouette of pregnant woman with visible uterus and implanted blastocyst. — Stock Photo
    Illustration of silhouette of pregnant woman with visible uterus and implanted blastocyst.
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa. — Stock Photo
    Digital conceptual illustration of fertilisation of egg cell with spermatozoa.
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    Eight-cell embryo — Stock Photo
    Eight-cell embryo
    Daisy pollen grain — Stock Photo
    Daisy pollen grain
    Mucosa structure of the cervix — Stock Photo
    Mucosa structure of the cervix
    Epithelium from a fallopian tube — Stock Photo
    Epithelium from a fallopian tube
    Colored scanning electron micrograph of pollen grains from convolvulus flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from convolvulus flower.
    Meiotic cell division — Stock Photo
    Meiotic cell division
    Fertilisation of egg cell with spermatozoa, digital illustration. — Stock Photo
    Fertilisation of egg cell with spermatozoa, digital illustration.
    Bougainvillea pollen grain — Stock Photo
    Bougainvillea pollen grain
    Angel trumpets pollen — Stock Photo
    Angel trumpets pollen
    Digital illustration of pollen grain on anther of Chinese hibiscus flower. — Stock Photo
    Digital illustration of pollen grain on anther of Chinese hibiscus flower.
    Chinese hibiscus pollen — Stock Photo
    Chinese hibiscus pollen
    Milkwort pollen grain — Stock Photo
    Milkwort pollen grain
    Embryonic stem cells, illustration. — Stock Photo
    Embryonic stem cells, illustration.
    Phlox pollen grain — Stock Photo
    Phlox pollen grain
    Artwork of human fertilization — Stock Photo
    Artwork of human fertilization
    Illustration of 4 cell stage egg on blue background. — Stock Photo
    Illustration of 4 cell stage egg on blue background.
    In vitro fertilisation, computer illustration — Stock Photo
    In vitro fertilisation, computer illustration
    3d illustration of transparent sperm cells swimming towards egg cell. — Stock Photo
    3d illustration of transparent sperm cells swimming towards egg cell.
    Parasites attacking female egg cell, digital illustration. — Stock Photo
    Parasites attacking female egg cell, digital illustration.
    Rapeseed pollen grain — Stock Photo
    Rapeseed pollen grain
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    German chamomile flower pollen grain — Stock Photo
    German chamomile flower pollen grain
    Egg and sperm fertilization process — Stock Photo
    Egg and sperm fertilization process
    Transparent sperm cells moving towards round red colored egg cell, illustration. — Stock Photo
    Transparent sperm cells moving towards round red colored egg cell, illustration.
    Human sperm cells — Stock Photo
    Human sperm cells
    Sporangium fungal cell with spores — Stock Photo
    Sporangium fungal cell with spores
    Female reproductive system and Gardnerella vaginalis bacteria attached to vaginal epithelial cells causing bacterial vaginosis, digital illustration. — Stock Photo
    Female reproductive system and Gardnerella vaginalis bacteria attached to vaginal epithelial cells causing bacterial vaginosis, digital illustration.
    Strawberry pollen grain — Stock Photo
    Strawberry pollen grain
    Conceptual 3d illustration of artificial insemination, in vitro fertilization of human egg cell. — Stock Photo
    Conceptual 3d illustration of artificial insemination, in vitro fertilization of human egg cell.